Rope-socket.



PATENTED FEB. 4, 1908.

R. A. HAMMOND.

ROPE SOCKET..

UNITED STATES PATENT OFFICE..

ROBERT A. HAMMOND, OF SANDWICH,MASSACHUSETTS ROPE-SOCKET.

v` Speecaton of Letters Patent.

Patented Feb. Ll, 1908.

Application filed October 16. 1906. Serial No. 339.192.

ysocket at one end thereof which can be readily attac-hed toor detachedfrom a rod, cable, or the like and when so attached that the socketshall possess as much strength to transmit stra-ins as thoughpermanently fastened to said rod or cable instead of being detachablyfastened thereto.

' rThe invention consists in the combina-tion and arrangement of partsset forth in the following specification and particularly pointed outinthe claims thereof.

Referring to the drawings: Figure 1. is a. side elevation of my improvedrope socket with a portion of wire cable attached thereto and a barshown in section in connection. therewith. Fig. 2 is a front elevationof the same. Fig. 3 is a section, partly in elevation, taken on line3f?, Fig. 2, showing the locking arm open.

4 is a section, partly 4, Fig. 1 Fig. 6

in elevation, taken on line 4 Figf 1s a section online 5 -5, Fig. 1.

y is a perspective View of the locking` arm.

Like numerals refer to like parts tliroughout the several Views cl' thedrawings.

In the drawings, S is a hook consisting of a base 9, a curved end 10,and .a standard 11, which connects said curved. end 10 to the base 9. Alocking arm 12 is journaled upon a pivot 13 fast t-o said curved end.The free end of said locking arm has lateral projections 14, 14 thereonwhich when the arm is closed or in the position illustrated in Fig. 1

project into notches 15, 15 upon opposite sides of a slot 16 formed insaid base. The lateral projections 14, 14 forir a T-head at the free endof the arm 12 which projects into a T-slo't', said T-slot being formedas a whole by the slot 16 and the notches 15, 15 upon opposite sidesthereof. The locking arm 12 is locked inthe position illustrated in Fig.1 by a pin 17 which is adapted to slide in a recess 18 in the base 9. Aspring 1.() holds said pin normally (illustrated in Fig. 1)

with the upper end thereof projecting into a recess 2() in the T-head ofthe'locking arm 12. The pin 17 consists of a head 21, and a shank 22.The shank 22 slides in a sleeve 223 haying s'crewethreaded engagementwith said base, the lower end of said shank projecting through a thumbpiece or handle 24 and having its endheaded oyer said thumb piece tosecure the same thereto.

The spring 18 bears at its upper end against the underside of the head21 and at its lower end against the sleeve 23. When it is desired torock the locking arm 1.2 upon its pivot, the locking' pin 17 lis pulleddownwardly by means. of the thumb piece 24 to .disengage said lockingpin from the arm,

whereupon said arm may he swung outwardly from the position illustratedin Fig. 1 to that illustrated in Fig. 3. arm 12 projects beyond thepivot 13 toward the curved end 10 and is bifurcated by a slot 25 intowhich the extremity of the curved end 10 projects. T he two sides 26. 26of the bifurcated portion of the arm 12 are notched at 27, 27 to receivelateral projections 28, 2S upon the curved en'd 10.

The projections 29, 29 upon the sides 26, 26 interlock with theprojections 28, 28 upon the curved end 10 when the parts are in theposition illustrated in Fig. 1. A 4cable 30 The inner edge of said arm12 has a projection 32 thereon which is preferably formed as Off acontinuation of the curved inner edge 33 said 'curved end. y

The operation of my improved rope socket is as follows: Assuming thecable 30 to be attached to the base of the socket as illustrated and.that it is desired to insert a rod or cable 34 in said socket, the arm12is i'irst unlocked from the base 9 by pulling downwardly upon. the thumbpiece 24. 'The arm 12 is then. swung upon its pivot outwardly fromthe'position shown in Fig. 1 to that shown in Fig. 3. The rod or cableis then inserted and the arm 12 forced backward into the positionillustrated in Fig. 1 where it is locked by the spring` pin 1?. `Thenthe rod 34 is forced `into the upper end of the space between thestandard 11 and the arm 1.2,'it contacts with the projection 32 andcloses the arm 12 until it is locked in the The upper end of theposition illustrated in. Fig. l by the spring pln 17, said rod alsotending to hold said arm m its locked position by pressing against theprojection when the device is in use.

Particular attention is called to the man- `ner in which the. two endsof the arni .1.2 are connected to the liook, the strength of saidconnection vnot depending upon the pivot 13 at the upper end of saidarm, but upon the interlocking projections 28 and 29 so far as4longitudinal strain is concerned, and. the strength of the device at thelower end of the arm depending upon the lateral projections 14, 14,which project into the notches 1.5, .l5

in the base 9 and bear against the underside of the projections 35, uponsaid base when longitudinal strain is applied to the device. Lateralstrain or displacement. ot'y thev parts with relation to each other isguarded againstby the arm l2 projecting between the projections 35, 35at its lower end and by the curved end projecting into the slot 25 ofthe bifurcated portion of the arm at 'its upper end, so that althoughthe arm l2 is pivoted.

to the hook portion and can be rocked there? .on after introducing a rodor cable in the space between said arm and the standard 11,

l. yet When the parts are locked in the' position illustrated in Fig. l,the hook with its arm forms a rope socket which is'substantially asstrong as though the arm, standard, curved end, and base were all in onepiece like the Having thus described my invention, what I claim anddesire by Letters Patent to secure is:

1. rope socket comprising in its construction a hook and a locking armpivoted thereto, said arm constructed to interlock at its op osite endswith said hook. 2. rope socket comprising in its construction a hook, alocking arni pivoted thereto, means to lock said arm against rocurvedend to said base; alo'cking arm pivo'ted to said curved end, the freeend of said arin having lateral projections thereon forming a T-headadapted to project into a T- slot provided in said base, and a springpin adapted to slide longitudinally of said base to enter a recess insaid T-head'.

5. A .rope socket comprising in its construction, a hook consisting of abase, a curved end, and a standard connecting said curved end to saidbase; a pivot on said curved end, and a locking arm journaled upon saidpivot, said locking arm projecting beyond said pivot toward said curvedend and having a projection thereon adapted to interlock with aprojection on said curved end. j

6. A rope socket comprising in its construction, a hook consisting of abase, a curved end, and a standard connecting said curved end to saidbase; a pivot on said curved end, and a locking arm journaled on saidpivot, said locking arm bifurcated to receive the extremity of saidcurved end and having notches provided therein to receive lateralprojections upon said curved end.

7. A rope socket comprising in its construction, a hook consisting of abase, aV curved end, and a standard connectlng said l curved end to saidbase; a pivot on said curved end, and a locking arm j ournaled on saidpivot, said locking arm bifurcated to re ceive the extremity of saidcurved end and having notches provided therein to receive lateralprojections upon said curved end, the free end ot said arm havinglateral projections thereon forming a T-head adapted to project into aT-slot provided in said base.

8. A rope socket comprising in its construction, ahook consisting of abase, a curved end., and a standard connecting said curved end to saidbase; a pivot on said curved end, and. a locking arm journaled to rock4upon said pivot, said locking arm having a projection thereon extendingbeyond said pivot toward said 'curved end, the inner edge of saidprojection forming, when said erin is closed, a continuation of theinner edge of said curved end. A

In testimony whereof I have hereunto set my hand in presence of twosubscribing Witnesses.

ROBERT A. HAMMOND.

vrWitrn-)sses HELEN LIVERMORE, A. ALFMIE.

